diff --git a/src/main/java/eu/europa/ted/eforms/sdk/analysis/fact/LabelFact.java b/src/main/java/eu/europa/ted/eforms/sdk/analysis/fact/LabelFact.java
index a4dad77..c97e1a1 100644
--- a/src/main/java/eu/europa/ted/eforms/sdk/analysis/fact/LabelFact.java
+++ b/src/main/java/eu/europa/ted/eforms/sdk/analysis/fact/LabelFact.java
@@ -18,7 +18,7 @@ public String getId() {
 
   public String getNormalizedId() {
     String id = label.getId();
-    return id.trim().toLowerCase().replaceAll("[-_\\.]", "");
+    return id.strip().toLowerCase().replaceAll("[-_\\.]", "");
   }
 
   @Override